Home / 8,907,502.30-13,361,253.45-7,880,049.70

Finding the Fourth Proportional to 8,907,502.30, 13,361,253.45 and 7,880,049.70

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Solution

The fourth proportional to 8,907,502.30, 13,361,253.45 and 7,880,049.70 is: 11,820,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,502.30 : 13,361,253.45 = 7,880,049.70 : x
  2. Step 2: Convert to fraction form
    8,907,502.30/13,361,253.45 = 7,880,049.70/x
  3. Step 3: Cross multiply
    8,907,502.30x = 13,361,253.45 × 7,880,049.70
  4. Step 4: Simplify right side
    8,907,502.30x = 105,287,341,240,296.47
  5. Step 5: Solve for x
    x = 105,287,341,240,296.47/8,907,502.30
  6. Step 6: Final answer
    x = 11,820,074.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.